Future Talks

March 4th “What is a quantum internet?” Daryus Chandra

As we shrink the size of transistors further and further, the inevitable quantum phenomenon on nano-scale level starts to prevail. In quantum regime, the general rules of thumb for developing classical computers that we currently have will no longer valid. However, the weird and often-strange quantum properties can be exploited to build quantum computers, which exhibit a superpower computing capability. While such quantum computers may impose the threat of jeopardizing most of our encryption systems, the quantum mechanical properties also offer the wonderful solution for establishing an absolute-secure and unbreachable quantum communication system, even with the advent of quantum computers. With the emerge of quantum technologies, such as quantum computers and quantum communications, one may ask a judicious question, “Can we build the so-called ‘Quantum Internet?'” In this talk, we will try to explore this problem by demystifying the concept of quantum computation and quantum communication accompanied by the recent research progress in this area. Finally, you may wonder if the answer to the question is in the superposition between ‘yes’ and ‘no’.

Daryus Chandra received his bachelor of engineering (B.Eng.) and master of engineering (M.Eng.) degree in Electronics Engineering from a five-year integrated bachelor-master programme, Universitas Gadjah Mada, Indonesia, in 2013 and 2014, respectively. After that, he spent one year serving as a Research and Teaching Assistant at the same institution. Since September 2015, he joined the Next Generation Wireless Research Group, University of Southampton for pursuing PhD degree. His research interests revolve around quantum information, quantum communication, and quantum error-correction codes. More specifically, the implementation of the quantum error-correction codes for maintaining the reliability of quantum computation and quantum communication system for the near-future quantum computers and quantum internet. Currently, he is also a course instructor managed by Lifelong Learning Department, University of Southampton, delivering an introduction course of quantum computation and communication to public audiences.

April 1st 2019 “The very, very early universe”. Prof David Wands

The present-day expansion of our universe points towards a singular origin, 14 billion years ago, in a Hot Big Bang. This conclusion seems inescapable within the context of Einstein’s classical theory of general relativity and the matter and radiation we observe around us. But the detailed structure of our Universe, revealed in the largest astronomical surveys currently underway, implies a pattern of primordial density fluctuations that may require a quantum origin soon after or, perhaps, even before the Big Bang. I will discuss how cosmologists use current observations to infer anything about the very early universe, and what we think we know about fundamental physics and the Big Bang.

I am Professor of Cosmology at the University of Portsmouth and Director of the Institute of Cosmology and Gravitation. I studied at the University of Cambridge and did my PhD at Sussex, before joining the University of Portsmouth in 1996. My research focuses on the physics of he very early universe, a fraction of a second after the Big Bang, and the origin of cosmic structure. I have published over 150 papers and given scientific talks on five continents.

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